LSM2-T/10-D12-C Power Supplies - Board Mount

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DC DC Converters

A DC-DC converter is a device that converts a direct-current electrical signal from one voltage level to another. DC-DC converters are commonly found in a wide variety of consumer electronics such as cell phones, MP3 players, digital cameras, and other portable devices. The two most common types of DC-DC converters are the switching and linear regulators.

Switching regulators provide a high degree of flexibility in controlling the output voltage. This makes them well-suited for applications requiring a wide range of load currents, clock frequencies, and power levels. In contrast, linear regulators provide a constant voltage output regardless of changes in input voltage or load current. This makes them well suited for applications that require a consistent voltage level.

LSM2-T/10-D12-C Application Field and Working Principle

The LSM2-T/10-D12-C is a DC-DC buck (step-down) converter designed to convert a direct current voltage from 5V to 0.45V at 1A output. The LSM2-T/10-D12-C offers an adjustable switching frequency of up to 2MHz, a programmable Soft-Start function, and built-in thermal protection. It is suitable for applications requiring a wide range of load conditions and requires no external components for normal operation.

The LSM2-T/10-D12-C employs synchronous rectification technology and a switching frequency of up to 2MHz. This allows the unit to maintain high efficiency and low ripple and noise. The LSM2-T/10-D12-C is designed to work in a wide range of clock frequencies and input voltages, and is capable of handling load step changes of up to 25% in either direction.

The LSM2-T/10-D12-C has an adjustable soft-start function which provides gradual startup of the converter, allowing for smooth transitions from low to high output voltage. The soft-start feature can also be disabled by setting the soft-start pin to the low state.

In addition, the LSM2-T/10-D12-C contains built-in thermal protection featuring both overtemperature protection and output current foldback. The overtemperature protection shuts down the converter and activates an overtemperature warning flag when the die temperature exceeds 150°C. The output current foldback reduces the output current to a preset level when the die temperature reaches 140°C.

The LSM2-T/10-D12-C is ideally suited for applications requiring a wide range of load conditions, and is useful for powering devices requiring a precise and stable output voltage. This includes applications in telecom infrastructure, automotive, printing systems, industrial test equipment, and consumer electronics.

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